Hello there! I've encountered the same issue. I bought the docking station Club3d CSV1566 (supports DisplayLink with offical drivers). When connecting even one 1440p monitor to the Macbook Air M1, there are terrible lags. Connecting a 4K monitor is completely impossible to work with because the FPS drops to around 10-15 frames for all external screens.
Hello there! I've encountered the same issue. I bought the docking station Club3d CSV1566 (supports DisplayLink with offical drivers). When connecting even one 1440p monitor to the Macbook Air M1, there are terrible lags. Connecting a 4K monitor is completely impossible to work with because the FPS drops to around 10-15 frames for all external screens.